| 5e || UTP || 1000 Mbit/s || 100 MHz || 328 ft (100 m) || 1000BASE-T, 100BASE-TX||"Enhanced" to reduce crosstalk and improve 1000BASE-T signal strength
| 5e || UTP || 1000 Mbit/s || 100 MHz || 328 ft (100 m) || 1000BASE-T, 100BASE-TX||"Enhanced" to reduce crosstalk and improve 1000BASE-T signal strength
|-
|-
−
| 6 || UTP or STP || 1000 Mbit/s || 250 MHz || 180 ft (55 m) for Gigabit Ethernet, 328 ft (100 m) for slower networks<ref>https://www.diffen.com/difference/Cat6_vs_Cat6a</ref> || 10GBASE-T ||
+
| 6 || UTP or STP || 1000 Mbit/s || 250 MHz || 180 ft (55 m) for Gigabit Ethernet,<br />328 ft (100 m) for slower networks<ref>https://www.diffen.com/difference/Cat6_vs_Cat6a</ref> || 10GBASE-T ||
|-
|-
| 6a || STP || 10 Gbit/s || 500 MHz || 328 ft (100 m) || 10GBASE-T || (Augmented) Better insulation and thinner wires
| 6a || STP || 10 Gbit/s || 500 MHz || 328 ft (100 m) || 10GBASE-T || (Augmented) Better insulation and thinner wires